_____you read it?A、Can B、Are C、Do
They're in different ________. A. class B. school C. schools
We shouldn't make noise here. It means “________”. A. Keep off the grass B. Keep quiet C. Don't touch
The sign means you shouldn't ______ photos here. A. take B. talk C. taking
Ben,open the window please. ______ close it. A. Don't B. Aren't C. Not
It's time ________ some cakes. A. to B. for C. for have